1) Ameliorate 2) Better 3) Build up your strength 4) Get better 5) Get over an illness or shock 6) Get well 7) Improve 8) Meliorate 9) Recover 10) Recover from illness 11) Recuperate 12) Restore your form 1) Heal 2) Mend 3) Recuperate 
• (v. i.) To recover health and strength gradually, after sickness or weakness; as, a patient begins to convalesce.
Con`va·lesce' intransitive verb [ imperfect & past participle Convalesced ; present participle & verbal noun Convalescing .] [ Latin convalscere ; con- + valescere to grow strong, v. incho. of valere to be s...
convalesce To recover from sickness, regain health, to get better or stronger.
to recover health and strength after illness; make progress toward recovery of health.
[Intelligent words] get over an illness or shock